package jdbc;

import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;

public class JDBCDemo3 {
    /**
     * UPDATE 语句
     *
     * @param args
     */
    public static void main(String[] args) {

        try (Connection connection = DBUtil.getConnection()){
            Statement statement = connection.createStatement();
            String sql = "UPDATE userinfo " +
                    "SET password = '12135' " +
                    "WHERE username = 'admin'";
            int num = statement.executeUpdate(sql);
            if (num > 0) {
                System.out.println("更新成功");
            } else {
                System.out.println("更新失败");

            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}
